Abstract: In order to objectively evaluate the application effect of soil testing and formula fertilization technology in Yuanqu County and further find out the utilization rate of nitrogen, phosphorus and potassium fertilizer suitable for soil testing and formula fertilization of winter wheat in Yuanqu County, a field plot experiment on fertilizer utilization rate of winter wheat was set up in Xijiao Village, Changzhi Township. The results showed that the nitrogen, phosphorus utilization rates of potassium fertilizer were 41.82%,23.97% and 44.84% respectively.